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BMW 435i Gran Coupe Thermostat

4 items

Upgrade your vehicle's thermostat with A-Premium's high-quality options. Choose reliability and durability for a smoother ride.

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Thermostat Housing Assembly for BMW 335i GT xDrive 435i M235i xDrive X5 X6 M2Thermostat Housing Assembly for BMW 335i GT xDrive 435i M235i xDrive X5 X6 M2
A-Premium®Part # APTHA0099
Thermostat Housing Assembly for BMW 335i GT xDrive 435i M235i xDrive X5 X6 M2
4.692 Reviews
$78.99
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2-year warranty
90 days free return
Fits 2014 - 2015 BMW 335i, 2012 - 2013 BMW 335i, 2014 - 2016 BMW 335i GT xDrive, 2013 - 2015 BMW 335i xDrive, 2014 - 2016 BMW 435i, 2015 - 2016 BMW 435i Gran Coupe, 2014 - 2016 BMW 435i xDrive, 2015 - 2016 BMW 435i xDrive Gran Coupe, 2013 - 2015 BMW ActiveHybrid 3, 2016 - 2018 BMW M2, 2019 - 2019 BMW M2, 2014 - 2016 BMW M235i, 2015 - 2016 BMW M235i xDrive, 2014 - 2018 BMW X5, 2015 - 2019 BMW X6
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Vehicle: BMW 435i Gran Coupe
Item LocatedUnited States
Quantity1
ConditionNew
item #1005G06H
Note
Thermostat Housing Assembly -- Temperature: 103℃ (217 Deg. F), with Thermostat and Sensor.
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ÜRO Parts 11537598865 Engine Coolant Thermostat / Water Inlet Assembly
ÜRO PartsPart # 11537598865
ÜRO Parts 11537598865 Engine Coolant Thermostat / Water Inlet Assembly
52 Reviews
$77.99
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3-year warranty
90 days free return
Fits 2012-2013 BMW 335i, 2012-2013 BMW 335i, 2012-2013 BMW 335i, 2012-2013 BMW 335i, 2012-2013 BMW 335i, 2013-2013 BMW 335i xDrive, 2013-2015 BMW ActiveHybrid 3, 2014-2015 BMW 335i, 2014-2015 BMW 335i xDrive, 2014-2016 BMW 335i GT xDrive, 2014-2016 BMW 435i, 2014-2016 BMW 435i xDrive, 2014-2016 BMW M235i, 2014-2018 BMW X5, 2014-2018 BMW X5, 2015-2016 BMW 435i Gran Coupe, 2015-2016 BMW 435i xDrive Gran Coupe, 2015-2016 BMW M235i xDrive, 2015-2017 BMW X6, 2015-2017 BMW X6
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: BMW 435i Gran Coupe
Item LocatedUnited States
Quantity1
ColorBlack
Part interchange
11537598865, 11532394968, 11537598865, 1430940, 902-5825, 937-217, 49822, URO-015700
item #1000ZQXZ
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Vemo V20-99-1303 Engine Coolant Thermostat Kit
VemoPart # V20-99-1303
Vemo V20-99-1303 Engine Coolant Thermostat Kit
57 Reviews
$193.99
Low stock: Only 5 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2012-2013 BMW 335i, 2013-2013 BMW 335i xDrive, 2013-2014 BMW ActiveHybrid 3, 2014-2015 BMW 335i, 2014-2015 BMW 335i xDrive, 2014-2015 BMW M235i, 2014-2016 BMW 335i GT xDrive, 2014-2016 BMW 435i, 2014-2016 BMW 435i xDrive, 2014-2017 BMW X5, 2014-2017 BMW X5, 2015-2015 BMW ActiveHybrid 3, 2015-2016 BMW 435i Gran Coupe, 2015-2016 BMW 435i xDrive Gran Coupe, 2015-2016 BMW M235i xDrive, 2015-2017 BMW X6, 2015-2017 BMW X6, 2016-2016 BMW M2, 2016-2016 BMW M235i, 2017-2017 BMW M2
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: BMW 435i Gran Coupe
Item LocatedUnited States
Quantity1
Part interchange
V20-99-1303, 11537598865, 11532394968, 2394968, 7598865
item #1000X88G
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Beck/Arnley 143-0940 Engine Coolant Thermostat Housing Assembly
Beck/ArnleyPart # 143-0940
Beck/Arnley 143-0940 Engine Coolant Thermostat Housing Assembly
52 Reviews
$123.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2012-2013 BMW 335i, 2012-2013 BMW 335i, 2012-2013 BMW 335i, 2012-2013 BMW 335i, 2012-2013 BMW 335i, 2013-2013 BMW 335i xDrive, 2013-2015 BMW ActiveHybrid 3, 2014-2015 BMW 335i, 2014-2015 BMW 335i xDrive, 2014-2015 BMW X5, 2014-2016 BMW 335i GT xDrive, 2014-2016 BMW 435i, 2014-2016 BMW 435i xDrive, 2014-2016 BMW M235i, 2014-2016 BMW X5, 2014-2016 BMW X5, 2014-2018 BMW X5, 2014-2018 BMW X5, 2015-2016 BMW 435i Gran Coupe, 2015-2016 BMW 435i xDrive Gran Coupe
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: BMW 435i Gran Coupe
Item LocatedUnited States
Quantity1
Part interchange
143-0940
item #1000XA50
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What is an engine thermostat?

 While all engines can become too hot, if your thermostat isn't working correctly, your engine's well-being is at serious risk. The engine thermostat, often simply referred to as a thermostat, regulates the engine's operating temperature within an optimal range (typically around 195 to 220 degrees Fahrenheit).

How does a car thermostat work?

As a temperature-sensitive valve within the cooling system, a car thermostat responds to changes in coolant temperature. Understanding how it works by the following breakdown steps:

  • Closed position (cold start)

Initially closed to help the engine warm up quickly.

  • Heating up

The engine generates heat during operation.

  • Opening the thermostat

A temperature-sensitive element (usually wax) causes the thermostat to open gradually.

  • Coolant flow

When open, coolant flows from the engine to the radiator.

  • Maintaining optimal temperature

Adjusts coolant flow to maintain the ideal engine temperature.

  • Temperature regulation

Continuously adjusts to prevent overheating and ensure efficient operation.

Signs of a bad thermostat

  1. Overheating: The engine becomes excessively hot due to a stuck-closed thermostat.
  2. Low or fluctuating temperature: A thermostat stuck open results in a cooler engine, affecting fuel efficiency and heating.
  3. Temperature warning light: Illuminates to indicate engine overheating due to a faulty thermostat.
  4. Poor fuel efficiency: Stuck-open thermostat reduces fuel efficiency as the engine operates less efficiently at lower temperatures.
  5. Inadequate cabin heating: Insufficient cabin heating in cold weather with a thermostat that's stuck open.
  6. Coolant leaks: Gasket or sealing issues can lead to coolant leaks.
  7. Rapid temperature fluctuations: The gauge shows rapid swings between hot and cold.
  8. Engine running hot at idle: Higher engine temperature during idle or in traffic due to restricted coolant flow.
  9. Slow or inconsistent warm-up: Longer-than-normal warm-up times, even in moderate weather.
  10. Inconsistent heater operation: This affects the performance of the vehicle's heater, causing inconsistent or inadequate heating in cold weather.

Related Blogs

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Learn why coolant boils or bubbles after you turn the engine off, how heat soak affects the cooling system, and how to diagnose leaks, trapped air, cap, thermostat, fan, water pump, or head gasket problems.

Jul 29, 2026